52 lines
1.7 KiB
C#
52 lines
1.7 KiB
C#
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using UnityEngine;
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using System.Collections;
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using System.Collections.Generic;
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using UnityEngine.UI;
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namespace MoreMountains.Tools
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{
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/// <summary>
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/// Camera extensions
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/// </summary>
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public static class MMCameraExtensions
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{
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/// <summary>
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/// Returns the width of the camera in world space units, at the specified depths for perspective cameras, everywhere for orthographic ones
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/// </summary>
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/// <param name="camera"></param>
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/// <param name="depth"></param>
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/// <returns></returns>
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public static float MMCameraWorldSpaceWidth(this Camera camera, float depth = 0f)
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{
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if (camera.orthographic)
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{
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return camera.aspect * camera.orthographicSize * 2f;
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}
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else
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{
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float fieldOfView = camera.fieldOfView * Mathf.Deg2Rad;
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return camera.aspect * depth * Mathf.Tan(fieldOfView);
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}
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}
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/// <summary>
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/// Returns the height of the camera in world space units, at the specified depths for perspective cameras, everywhere for orthographic ones
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/// </summary>
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/// <param name="camera"></param>
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/// <param name="depth"></param>
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/// <returns></returns>
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public static float MMCameraWorldSpaceHeight(this Camera camera, float depth = 0f)
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{
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if (camera.orthographic)
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{
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return camera.orthographicSize * 2f;
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}
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else
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{
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float fieldOfView = camera.fieldOfView * Mathf.Deg2Rad;
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return depth * Mathf.Tan(fieldOfView);
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}
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}
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}
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}
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